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1   /*
2    * Copyright 2012 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty.handler.codec.compression;
17  
18  import io.netty.buffer.ByteBuf;
19  import io.netty.handler.codec.ByteToMessageDecoder;
20  
21  /**
22   * Decompresses a {@link ByteBuf} using the deflate algorithm.
23   */
24  public abstract class ZlibDecoder extends ByteToMessageDecoder {
25  
26      /**
27       * Returns {@code true} if and only if the end of the compressed stream
28       * has been reached.
29       */
30      public abstract boolean isClosed();
31  }